journal

Sports Medicine

journal
https://read.qxmd.com/read/32185630/exercise-based-strategies-to-prevent-muscle-injury-in-elite-footballers-a-systematic-review-and-best-evidence-synthesis
#1
REVIEW
Maurizio Fanchini, Ida Bo Steendahl, Franco M Impellizzeri, Ricard Pruna, Gregory Dupont, Aaron J Coutts, Tim Meyer, Alan McCall
BACKGROUND: Exercise-based strategies are used to prevent muscle injuries in football and studies on different competitive-level populations may provide different results. OBJECTIVES: To evaluate the effectiveness of exercise-based muscle injury prevention strategies in adult elite football. METHODS: A systematic search was conducted in PubMed (MEDLINE), Web of Science, Cochrane Library, and SPORTDiscuss (EBSCO). We considered only elite adult (> 16 year-old) football players with no distinction for gender; the intervention to be any exercise/s performed with the target to prevent lower-limb muscle injuries; the comparison to be no injury prevention exercise undertaken; the outcome to be the number of injuries, injury incidence, and severity...
March 18, 2020: Sports Medicine
https://read.qxmd.com/read/32162242/examination-of-reaction-time-deficits-following-concussion-a-systematic-review-and-meta-analysis
#2
REVIEW
Landon B Lempke, David R Howell, James T Eckner, Robert C Lynall
BACKGROUND: Reaction time (RT) deficits are reported following concussion, but it is unknown when these deficits normalize to pre-injury status. It is also unclear how factors such as RT measurement technique and participant characteristics influence post-concussion RT. OBJECTIVE: The purpose of this systematic review and meta-analysis was to (1) characterize acute post-concussion (0-3 days) RT impairments, (2) examine RT recovery over time, and (3) explore moderating factors related to acute RT impairment following concussion...
March 11, 2020: Sports Medicine
https://read.qxmd.com/read/32125672/analyzing-activity-and-injury-lessons-learned-from-the-acute-chronic-workload-ratio
#3
REVIEW
Chinchin Wang, Jorge Trejo Vargas, Tyrel Stokes, Russell Steele, Ian Shrier
Injuries occur when an athlete performs a greater amount of activity than what their body can withstand. To maximize the positive effects of training while avoiding injuries, athletes and coaches need to determine safe activity levels. The International Olympic Committee has recommended using the acute:chronic workload ratio (ACWR) to monitor injury risk and has provided thresholds to minimize risk when designing training programs. However, there are several limitations to the ACWR and how it has been analyzed which impact the validity of current recommendations and should discourage its use...
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32125671/authors-reply-to-painelli-et-al-comment-on-caffeine-and-exercise-what-next
#4
LETTER
Craig Pickering, Jozo Grgic
No abstract text is available yet for this article.
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32125670/current-evidence-of-measurement-properties-of-physical-activity-questionnaires-for-older-adults-an-updated-systematic-review
#5
REVIEW
Matteo C Sattler, Johannes Jaunig, Christoph Tösch, Estelle D Watson, Lidwine B Mokkink, Pavel Dietz, Mireille N M van Poppel
BACKGROUND: Questionnaires provide valuable information about physical activity (PA) behaviors in older adults. Until now, no firm recommendations for the most qualified questionnaires for older adults have been provided. OBJECTIVES: This review is an update of a previous systematic review, published in 2010, and aims to summarize, appraise and compare the measurement properties of all available self-administered questionnaires assessing PA in older adults. METHODS: We included the articles evaluated in the previous review and conducted a new search in PubMed, Embase, and SPORTDiscus from September 2008 to December 2019, using the following inclusion criteria (1) the purpose of the study was to evaluate at least one measurement property (reliability, measurement error, hypothesis testing for construct validity, responsiveness) of a self-administered questionnaire; (2) the questionnaire intended to measure PA; (3) the questionnaire covered at least one domain of PA; (4) the study was performed in the general, healthy population of older adults; (5) the mean age of the study population was > 55 years; and (6) the article was published in English...
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32125669/comment-on-caffeine-and-exercise-what-next
#6
LETTER
Vitor De Salles Painelli, Cayque Brietzke, Paulo Estevão Franco-Alvarenga, Raul Canestri, Ítalo Vinícius, Flávio Oliveira Pires
No abstract text is available yet for this article.
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32125668/effects-of-autograft-types-on-muscle-strength-and-functional-capacity-in-patients-having-anterior-cruciate-ligament-reconstruction-a-randomized-controlled-trial
#7
Kasper Staghøj Sinding, Torsten Grønbech Nielsen, Lars Grøndahl Hvid, Martin Lind, Ulrik Dalgas
BACKGROUND: The effects of different autograft types for anterior cruciate ligament reconstruction (ACL-R) on muscle function are sparsely investigated in randomized controlled trials. Our aim was to investigate the effects of quadriceps tendon autograft (QTB) vs. semitendinosus-gracilis autograft (StG) on thigh muscle strength and functional capacity, and a patient-reported outcome 1 year after ACL-R, and to compare the results to healthy controls. METHODS: ACL-R patients (n = 100) and matched controls (CON, n = 50) were recruited, with patients being randomly assigned to QTB (n = 50) or StG (n = 50) ACL-R...
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32125667/correction-to-a-normative-reference-vs-baseline-testing-compromise-for-impact-the-care-consortium-multiple-variable-prediction-care-mvp-norms
#8
Breton M Asken, Zachary M Houck, Julianne D Schmidt, Russell M Bauer, Steven P Broglio, Michael A McCrea, Thomas W McAllister, James R Clugston
Unfortunately, in the published article the symbol "% ile" has incorrectly been published as "‰". We have now corrected this in all the occurrences.
March 3, 2020: Sports Medicine
https://read.qxmd.com/read/32103451/measuring-well-being-in-sport-performers-where-are-we-now-and-how-do-we-progress
#9
REVIEW
Samuel Giles, David Fletcher, Rachel Arnold, Arabella Ashfield, Joanna Harrison
The importance of optimal well-being and mental health in elite athletes has received increasing attention and debate in both the academic and public discourse. Despite the number of challenges and risk factors for mental health and well-being recognised within the performance lifestyle of elite athletes, the evidence base for intervention is limited by a number of methodological and conceptual issues. Notably, there exists an increasing emphasis on the development of appropriate sport-specific measures of athlete well-being, which are required to underpin strategies targeted at the protection and enhancement of psychosocial functioning...
February 26, 2020: Sports Medicine
https://read.qxmd.com/read/32096113/effects-of-sodium-bicarbonate-supplementation-on-muscular-strength-and-endurance-a-systematic-review-and-meta-analysis
#10
REVIEW
Jozo Grgic, Ramon F Rodriguez, Alessandro Garofolini, Bryan Saunders, David J Bishop, Brad J Schoenfeld, Zeljko Pedisic
BACKGROUND: The effects of sodium bicarbonate on muscular strength and muscular endurance are commonly acknowledged as unclear due to the contrasting evidence on the topic. OBJECTIVE: To conduct a systematic review and meta-analysis of studies exploring the acute effects of sodium bicarbonate supplementation on muscular strength and endurance. METHODS: A search for studies was performed using five databases. Meta-analyses of standardized mean differences (SMDs) were performed using a random-effects model to determine the effects of sodium bicarbonate supplementation on muscular strength (assessed by changes in peak force [N], peak torque [N m], or maximum load lifted [kg]) and muscular endurance (assessed by changes in the number of repetitions performed, isokinetic total work, or time to maintain isometric force production)...
February 24, 2020: Sports Medicine
https://read.qxmd.com/read/32096112/the-effect-of-high-volume-power-training-on-repeated-high-intensity-performance-and-the-assessment-of-repeat-power-ability-a-systematic-review
#11
REVIEW
Alex O Natera, Marco Cardinale, Justin W L Keogh
BACKGROUND: High volume power training (HVPT) involves high volumes of high-velocity resistance training, with the aim to improve repeated high-intensity efforts (RHIEs). Repeat power ability (RPA) is the ability to repeatedly produce maximal or near maximal efforts. Assessments of RPA using external loading may determine the ability to perform repeat RHIEs typical of many sports and, therefore, provide useful information on the effectiveness of training. OBJECTIVES: (1) Identify the different HVPT protocols; (2) examine the acute responses and chronic adaptations to different HVPT protocols; (3) identify different lower body RPA assessment protocols and highlight similarities, differences and potential limitations between each protocol, and; (4) describe the reliability and validity of RPA assessments...
February 24, 2020: Sports Medicine
https://read.qxmd.com/read/32077066/recommendations-on-the-appropriate-level-of-medical-support-at-ultramarathons
#12
REVIEW
Martin D Hoffman, Morteza Khodaee, Nikiah G Nudell, Andrew Pasternak
Participation in ultramarathons continues to grow, especially among older individuals and among younger runners who may have less running and wilderness experience than many past participants. While ultramarathons tend to have relatively few serious medical issues, adverse medical incidents do occur. These factors make it increasingly important that appropriate safety precautions and medical support are defined and implemented at these events to enhance the safety of participants, spectators, and volunteers...
February 20, 2020: Sports Medicine
https://read.qxmd.com/read/32065350/comment-on-sex-dimorphism-of-formula-see-text-trainability-a-systematic-review-and-meta-analysis
#13
LETTER
Jonathon W Senefeld, Joshua R Smith, Chad C Wiggins, Michael J Joyner
No abstract text is available yet for this article.
February 17, 2020: Sports Medicine
https://read.qxmd.com/read/32065349/reply-to-senefeld-et-al-comment-on-sex-dimorphism-of-vo-2max-trainability-a-systematic-review-and-meta-analysis
#14
LETTER
Candela Diaz-Canestro, David Montero
No abstract text is available yet for this article.
February 17, 2020: Sports Medicine
https://read.qxmd.com/read/32064575/functional-overreaching-in-endurance-athletes-a-necessity-or-cause-for-concern
#15
REVIEW
Phillip Bellinger
There are variable responses to short-term periods of increased training load in endurance athletes, whereby some athletes improve without deleterious effects on performance, while others show diminished exercise performance for a period of days to months. The time course of the decrement in performance and subsequent restoration, or super compensation, has been used to distinguish between the different stages of the fitness-fatigue adaptive continuum termed functional overreaching (FOR), non-functional overreaching (NFOR) or overtraining syndrome...
February 17, 2020: Sports Medicine
https://read.qxmd.com/read/32060751/association-between-muscular-strength-and-bone-health-from-children-to-young-adults-a-systematic-review-and-meta-analysis
#16
REVIEW
Ana Torres-Costoso, Purificación López-Muñoz, Vicente Martínez-Vizcaíno, Celia Álvarez-Bueno, Iván Cavero-Redondo
BACKGROUND: Osteoporosis is a major worldwide health concern. The acquisition of bone mass during growth decreases the risk of osteoporosis later in life. Muscular strength is an important and modifiable factor to improve bone development in this period. OBJECTIVE: The aim of this review was to summarize the relationship between muscular strength and bone health. METHODS: Cross-sectional data from studies addressing this association from childhood to young adulthood were systematically searched...
February 14, 2020: Sports Medicine
https://read.qxmd.com/read/32034703/effects-of-resistance-training-movement-pattern-and-velocity-on-isometric-muscular-rate-of-force-development-a-systematic-review-with-meta-analysis-and-meta-regression
#17
REVIEW
Anthony J Blazevich, Cody J Wilson, Pedro E Alcaraz, Jacobo A Rubio-Arias
BACKGROUND: Muscular rate of force development (RFD) is positively influenced by resistance training. However, the effects of movement patterns and velocities of training exercises are unknown. OBJECTIVES: To determine the effects of velocity, the intent for fast force production, and movement pattern of training exercises on the improvement in isometric RFD from chronic resistance training. METHODS: A systematic search of electronic databases was conducted to 18 September, 2018...
February 8, 2020: Sports Medicine
https://read.qxmd.com/read/32034702/a-normative-reference-vs-baseline-testing-compromise-for-impact-the-care-consortium-multiple-variable-prediction-care-mvp-norms
#18
Breton M Asken, Zachary M Houck, Julianne D Schmidt, Russell M Bauer, Steven P Broglio, Michael A McCrea, Thomas W McAllister, James R Clugston
BACKGROUND: Sports medicine clinicians routinely use computerized neurocognitive testing in sport-related concussion management programs. Debates continue regarding the appropriateness of normative reference comparisons versus obtaining individual baseline assessments, particularly for populations with greater likelihood of having below- or above-average cognitive abilities. Improving normative reference methods could offer alternatives to perceived logistical and financial burdens imposed by universal baseline testing...
February 7, 2020: Sports Medicine
https://read.qxmd.com/read/32034701/effect-of-high-intensity-interval-training-versus-sprint-interval-training-on-time-trial-performance-a-systematic-review-and-meta-analysis
#19
REVIEW
Michael A Rosenblat, Andrew S Perrotta, Scott G Thomas
BACKGROUND: Two forms of interval training commonly discussed in the literature are high-intensity interval training (HIIT) and sprint interval training (SIT). HIIT consists of repeated bouts of exercise that occur at a power output or velocity between the second ventilatory threshold and maximal oxygen consumption (VO2max ). SIT is performed at a power output or velocity above those associated with VO2max . OBJECTIVE: The primary objective of this study is to systematically review published randomized and pair-matched trials to determine which mode of interval training, HIIT versus SIT, leads to a greater improvement in TT performance in active and trained individuals...
February 7, 2020: Sports Medicine
https://read.qxmd.com/read/32026315/rates-and-correlates-of-mental-health-symptoms-in-currently-competing-elite-athletes-from-the-australian-national-high-performance-sports-system
#20
Rosemary Purcell, Simon Rice, Matt Butterworth, Matti Clements
AIMS: Elite athletes are at risk of mental ill-health via exposure to sports-related stressors and the overlap in competitive playing years with the peak age of onset of mental ill-health. Despite this risk, there is a paucity of robust empirical data on mental health symptoms in currently competing athletes. The purpose of this study was to assess the prevalence and correlates of mental health symptoms in a representative, national sample of elite athletes and to compare rates against published community norms...
February 6, 2020: Sports Medicine
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